XSS in Kovah Linkace
CVE-2025-62722
LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, the social media sharing functionality contains a Stored Cross-Site Scripting (XSS) vulnerability that allows any authenticated user to inject arbitrary JavaScript by creating a link with malicious HTML in the title field. When a user views the link details page and the shareable links are rendered, the malicious JavaScript executes in their browser. This vulnerability affects multiple sharing services and can be exploited to steal session cookies, perform actions on behalf of users, or deliver malware. This issue is fixed in version 2.4.0.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Kovah Linkace — versions < 2.4.0
- Linkace
Weakness classification (CWE)
References
- github.com/Kovah/LinkAce/security/advisories/GHSA-4mxh-7c7f-q79j (Exploit, Vendor Advisory)
- github.com/Kovah/LinkAce/commit/95d29b71ad9d4750cff8bbe7488802f6a4afa6aa (Patch)
- github.com/Kovah/LinkAce/releases/tag/v2.4.0 (Release Notes)
Frequently asked questions
- What is CVE-2025-62722?
- CVE-2025-62722 is a medium-severity vulnerability in Kovah Linkace, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-04.
- How severe is CVE-2025-62722?
- Medium severity. CVSS v3 base score is 5.4 out of 10.